Courses/AI & Machine Learning

AI & Machine Learning

OpenAI APIs & GPT Application Development

Name: OpenAI APIs & GPT Application Development
Rating: 4.8 (2100 reviews)

Build real-world applications using OpenAI GPT, DALL-E, and Whisper APIs.

4.8(2,100 ratings)12,300 students30 DaysIntermediateHindi + English

Amit A.

AI/ML Engineer & Manager

OpenAI APIs & GPT Application Development

Overview

Hands-on course to integrate OpenAI APIs into production applications â€” chat completions, function calling, embeddings, image and speech APIs.

Skills You'll Learn

OpenAI API

Function Calling

Embeddings

DALL-E API

Whisper API

Prerequisites

JavaScript or Python basics

Course Roadmap

Module 1

Modules 1–2: OpenAI API Fundamentals → Function Calling & Tools

Get comfortable with the core API. Let the model take real actions.

Module 2

Modules 3–4: The Assistants/Responses API → Building a Production GPT App

Build stateful AI experiences. Ship a real application on the API.

Course Curriculum

4 modules · 4 quizzes

Authentication & setup
Chat completions API
Handling tokens & costs

Defining functions for the model
Handling tool call responses
Multi-step tool use

Managing conversation state
File & tool integration
Streaming responses

Error handling & rate limits
Cost control strategies
Deploying an AI-powered feature

Projects

AI Customer Support Bot

A GPT-powered support bot with function calling for real actions.

OpenAI APIFunction Calling

AI Data Analysis Assistant

Upload a CSV and ask questions about it in natural language.

OpenAI APIPython

Assignments

First API Integration

Easy

Call the chat completions API and handle the response.

Function Calling Exercise

Medium

Define and wire up 2 real function calls.

Build a Rate-Limited Wrapper

Hard

Add retries, rate limiting, and cost logging around the API.

Tech Stack

OpenAI APINode.js

Meet Your Instructor

Amit A.

AI/ML Engineer & Manager

12+ years of Experience in AI/ML, LLM, GenAI, MLOps and production AI System etc.

Certificate You'll Earn

CERTIFICATE ID: LNTRN-UPSK-000000

Your Name Here

Successfully completed the OpenAI API Developer Certificate at Lunetron Web Services. We appreciate their dedication and wish them success in their career.”

ISSUING DATE - 27TH MARCH, 2026

Certified GPT application developer.

Student Reviews

The Machine Learning and Deep Learning courses are incredibly well structured. The instructors explain complex concepts simply, and the capstone project became the centerpiece of my portfolio.

Aarush Rai

B.Tech / AI-ML

I liked the hands-on approach of the training. Working on assignments and mini projects made the concepts easier to understand, and the AI/ML introduction was a useful addition to the course.

Divyanshu Mishra

B.Tech / AI-ML

The Machine Learning and Deep Learning courses are incredibly well structured. The instructors explain complex concepts simply, and the capstone project became the centerpiece of my portfolio.